Home / 523,852,531.05-784,645,055.78-281,231,999.85

Finding the Fourth Proportional to 523,852,531.05, 784,645,055.78 and 281,231,999.85

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Solution

The fourth proportional to 523,852,531.05, 784,645,055.78 and 281,231,999.85 is: 421,239,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,852,531.05 : 784,645,055.78 = 281,231,999.85 : x
  2. Step 2: Convert to fraction form
    523,852,531.05/784,645,055.78 = 281,231,999.85/x
  3. Step 3: Cross multiply
    523,852,531.05x = 784,645,055.78 × 281,231,999.85
  4. Step 4: Simplify right side
    523,852,531.05x = 220,667,298,208,018,048
  5. Step 5: Solve for x
    x = 220,667,298,208,018,048/523,852,531.05
  6. Step 6: Final answer
    x = 421,239,347.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.